Home / 103,554.20-155,331.30-97,722.20

Finding the Fourth Proportional to 103,554.20, 155,331.30 and 97,722.20

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Solution

The fourth proportional to 103,554.20, 155,331.30 and 97,722.20 is: 146,583.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,554.20 : 155,331.30 = 97,722.20 : x
  2. Step 2: Convert to fraction form
    103,554.20/155,331.30 = 97,722.20/x
  3. Step 3: Cross multiply
    103,554.20x = 155,331.30 × 97,722.20
  4. Step 4: Simplify right side
    103,554.20x = 15,179,316,364.86
  5. Step 5: Solve for x
    x = 15,179,316,364.86/103,554.20
  6. Step 6: Final answer
    x = 146,583.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.